/* Percentage widths */
.sp-w-25 {
    width: 25%;
}

.sp-w-50 {
    width: 50%;
}

.sp-w-75 {
    width: 75%;
}

.sp-w-100 {
    width: 100%;
}

/* Fixed pixel widths */
.sp-w-200 {
    width: 200px;
}

.sp-w-400 {
    width: 400px;
}

.sp-w-600 {
    width: 600px;
}

/* Auto width */
.sp-w-auto {
    width: auto;
}